bids are invited for trainer on basic digital electronics i e logic gates , trainer on power suppliers half wave rectifier , scr driven or controlled power supply trainer , potentiometer or thermocouple test set , auto transformer , calibration test bench for ac and dc voltmeter , bourdon tube type gauges of various ranges , dead weight tester and comparator , differential pressure transmitter electronic- hart or field bus type , pressure transducers training kits , experimental set up for pressure measurement , hart device communicator and calibrator , pneumatic calibrator , pressure switches of various ranges , p to i converter and i to p converter , vacuum tester with pump , simple tank quantity meter , impeller type flow meter , helical and turbine flow meter , magnetic flow meter , vortex flow meter , flow control loop set with flow controller recorder , experiment closed loop set up solid flow measurement and control , corioils mass flow meter , flow nozzle , static pressure and air type purge type level indicator , level transmitter interface hart compatible , level control set up with transmitter and level recorder , level measurement eequipments for solid , experimental set up for measuring and controlling of temperature , paper less lcd or led recorder setup , real pid controller trainig kit , programmable logic controller , hart or filed devices , hydrauilc actuators , different type of control valves such as gate valves , valve positioner , hart or filed bus final control elements , data acquisiton syastem , adc to dac cards , digital i or o cards , conductivity meter and tds meter , experimental set up for online conductivity measurement , experimental set up for online ph measurement , experimental set up for online dissolved oxygen measurement total quantity : 114